107 



Neptunea. Siphonorbis. lachesis. Morcli. 

 Fnsus, Sij^iJwuorhiti, lachesis. ilprcli, Journ. de Conch., vul. 17, l«6;.i, p. 397. 



Sipho — G. 0. ^ars. Moll. Reg. Aret. Norv.. 1878, p. 274. Pl. 15, fig. G. Tl. X. fig. 24. 



Neptunea, — — Friele, Nordhavs E.xp. Moll., vol. 1, 1882. p. 21. Pl. 2. fig. 28-32, Pl. f), fig. (5 & 7. 



Forma ti/pica. 

 Findested. Stationerne IS, 124, 137, 164, 192. 323, 

 32(3 og 338. Dybde 123—649 fv. 



Var. hicarhiata, Friele. 



Findested. Station 312, 658 fv. 



M. iSars har fiuidet denue art ved Yadsø, ,.Dijmphna"- 

 expeditioneu i Karahavet. 81 fv. Endvidere er den kjendt 

 fra Gronland. 8U fv. 



Fonna tijpica. 

 Locality. Stations 18, 124, 137. 164. 192, 323, 326, 

 and 338. Depth 123—649 fathoms. 



Var. hicarinaia, Friele. 



Locality. Station 312 (658 fathoms). 



M. Sårs found this species at Yadso, and the Dijniphna 

 Expeditiou in tlie Kara Sea (81 fathoms). It is further 

 known from Greenland (80 fathoms). 



Neptunea, Siphonorbis, undulata, Friele. 



Neptunea, Siphunorhis, undulata, Friele. Nordhavs Exp. Moll., vol. 1, 1882, p. 22, Pl. 2, fig. 33—35, Pl. 5. fig. 8. 

 Siiihn {Tritonofnsus?) costijerus. Posselt, Medd. om Gronland, vol. 23, 1898, p. 183, Pl. 1, fig. 6. 



Findested. Station 290, 19() fv.. et yngre exemplar 

 og et friskt fragment af et ældre. 



Ved at sammenligne Posselts beskrivelse og fortrin- 

 lige tegning af Riplio costlferus med neptuma undulata, 

 foler vi os overbevist om. at disse to artta- er identiske. 



Posselts exemplar stammer fra Julianchaab, Vestgronland. 

 170 fv. 



Locality. Station 290 (190 fathoms: a yonng spe- 

 cimen, and a fresli fragment of an older one). 



On coinparing Possclt's description aud excellent dravv- 

 ing of Sipho costijerus with Neptunea undidata, we are 

 convinced that the two species are identical. Posselt's 

 specimen came from Julianehaal). We.st Greenland (170 

 fathoms i. 



Neptunea. Siphonorbis, danielsseni. Friele. 



Neptunea, Siplw, danielsseni, Friele, Jalirh. Deutsch. Mal. Gesell., vol. 6, 1879, p. 282. 



— Siphonorbis, — Friele, Nordhavs Exp. Moll, vol. 1. 1S82, p. 23, Pl. 3, fig. 1 — 6, Pl. 5, fig. 9—11. 



Findested. Stationerne 51 i fragmenter). 295. 303 

 og 353. Dvbde 1110—1333 fv. 



Locality. Stations 51 (fragments), 295. 303. and 353' 

 Depth 1110—1333 fathoms. 



Neptunea, Mohnia, mohni, Friele. 



Fusns mohni, Friele, Nyt Mag. for Natnrvidensk., vol. 23, 1877. p. 6. 



Neptunea, Mohnia. mohni. Friele, Jahrb. Deutsch. Mal. Gesell., vol. 6, 1879. p. 283. 



— — — Friele, Nordhavs Exp. Moll., vol. 1, 1882, p. 24, Pl. 3, fig. 7 — 11. Pl. 5, fig. 14 & 15. 



Findested. Stationerne 51, 54. 205, 251, 283, 295. j| Locality. Stations 51. 54, 205. 251, 283, 295, 303, 



303, 312 og 353. Dybde 601 — 1333 fv. !' 312. and 353. Depth 601—1333 fathoms. 



Ogsaa „Porcupine"expeditionen har faaet denne art The -Porcnpine' also found this species at great depths 



paa de storre havdyb i det nordlige Atlanterhav. il in the North Atlantic. 



